An alloy of copper and tin with a similar color to Nordic Standard copper finish. When exposed to the atmosphere, the surface will change gradually to a stable, dark chocolate brown or even black ...

“Think about how metals will evolve in a space, how they’ll patina over time ... be sure to select a bronze finish that isn’t too dark or too close in tone to black. Ideally there should ...

"Use this easy trick to give copper a stunning patina finish. Follow me ... Largest-ever map of space reveals we might have gotten dark energy totally wrong Steelers QB situation takes a turn ...

These finishes ... The Special Patina Tool allows for an easy and accurate matching process. Varying intensities of patina flecks can be achieved by revealing parts of the dark-oxidized background ...